Phoronida 

References

Emig, C-C. 1971. Taxonomie et Systèmatique des Phoronidiens. Bulletin du Musèum National d'Histoire Naturelle, Paris 3rd series, 8, Zooligie, 473-568.

Emig, CC. 1974. The systematics and evolution of the phylum Phoronida. Zeitschrifts für Zoologische Systematik und Evolutionsforschung 12, 128-151.

Emig, C-C, Boesch, DF and Rainer, SF. 1977. Phoronida from Australia. Records of the Australian Museum 30, 455-474.